<template>
  <div>
    <!-- 导入对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="upload.open"
      width="400px"
      append-to-body
    >
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?hasCover=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          {{ $t("drag_files_here_or") }}<em>{{ $t("click_upload") }}</em>
        </div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport" />
            {{ $t("update_existing_data") }}
          </div>
          <span>{{ $t("format_files_allowed_imported") }}</span>
          <el-link
            type="primary"
            :underline="false"
            style="font-size: 12px; vertical-align: baseline"
            @click="importTemplate"
            >{{ $t("download_template") }}</el-link
          >
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">{{
          $t("confirm")
        }}</el-button>
        <el-button @click="upload.open = false">{{ $t("cancel") }}</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getToken } from "@/utils/auth";
export default {
  props: {
    //下载模版接口
    downloadUrl: {
      type: String,
      default: "",
    },
    uploadUrl: {
      type: String,
      default: "",
    },
    downloadName: {
      type: String,
      default: "",
    },
    title: {
      type: String,
      default: 'import',
    },
  },
  data() {
    return {
      // 导入参数
      upload: {
        // 是否显示弹出层
        open: false,
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的数据
        updateSupport: false,
        // 设置上传的请求头部
        headers: {
          Authorization: "Bearer " + getToken(),
        },
        // 上传的地址
        url: "",
      },
    };
  },
  methods: {
    showModal() {
      this.upload.open = true;
      this.upload.url = process.env.VUE_APP_BASE_API + "/" + this.uploadUrl;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download(
        this.downloadUrl,
        {},
        `${this.downloadName}_${new Date().getTime()}.xlsx`
      );
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(
        "<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" +
          response.msg +
          "</div>",
        this.$t("import_results"),
        {
          dangerouslyUseHTMLString: true,
        }
      );
      this.$emit("refreshList");
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
  },
};
</script>
<style scoped lang="scss">
.input-block {
  display: flex;
  align-items: center;
}
</style>
